scovich commented on code in PR #9689:
URL: https://github.com/apache/arrow-rs/pull/9689#discussion_r3065665727
##########
arrow-cast/src/cast/decimal.rs:
##########
@@ -802,6 +802,17 @@ where
}
}
+/// Cast a single floating point value to a decimal native with the given
multiple.
+/// Returns `None` if the value cannot be represented with the requested
precision.
+#[inline]
+pub fn single_float_to_decimal<D>(input: f64, mul: f64) -> Option<D::Native>
+where
+ D: DecimalType + ArrowPrimitiveType,
+ <D as ArrowPrimitiveType>::Native: DecimalCast,
+{
+ D::Native::from_f64((mul * input).round())
Review Comment:
NVM... I confused this with the int-decimal cast code. Floating point
multiplies never panic in Rust
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